WAEC Economics Past Questions & Answers - Page 79

391.

At which stage of production should a firm shut down? When

A.

AVC=ATC

B.

AVC

C.

AVC>price

D.

AVC=MC

Correct answer is C

A firm will choose to implement a shutdown of production when the revenue received from the sale of the goods or services produced cannot even cover the variable costs of production. In that situation, the firm will  experience a higher loss when it produces, compared to not producing at all. 

As long as price is above average variable costs, the firm should stay in business to minimize its losses in the short run.

392.

The necessary condition for a firm to be in equilibrium is that marginal revenue is

A.

Greater than marginal

B.

Equal to marginal

C.

Less than average revenue

D.

Equal to average

Correct answer is B

No explanation has been provided for this answer.

393.

An entrepreneur is encouraged to adopt division of labour in production because it

A.

Provide more employment opportunities

B.

Leads to increased output and lower cost of production

C.

Brings about equal cost and employment opportunities

D.

Leads to increased cost of production and lower output

Correct answer is B

Division of labour is immensely important in our economic system because it allows for work to be done much more quickly and efficiently than it would be without the division of labour. Division of labour is when tasks are split up into specialized separate tasks. it brings about increased output and while minimizing cost.

394.

The long run is a period when

A.

Only the variable factors can be altered

B.

All factors become variable

C.

The firm will cease to exist

D.

Only the fixed factors can be altered

Correct answer is B

The long run is a period of time in which all factors of production and costs are variable. In the long run, firms are able to adjust all costs.

395.

A price floor results in

A.

Excess demand

B.

Excess supply

C.

Parallel market

D.

Hoarding of goods

Correct answer is B

A price floor is the lowest legal price a commodity can be sold at. Price floors are used by the government to prevent prices from being too low. When a market reaches a price floor, it results in an excess supply because quantity supplied at the price floor exceeds the quantity demanded.